openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

xen: fix usage of ENODATA 

ENODATA doesn't exist on FreeBSD, so ENODATA errors returned by the
hypervisor are translated to ENOENT.

Also, the error code is returned in errno if the call returns -1, so
compare the error code with the value in errno instead of the value
returned by the function.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: xen-devel@lists.xenproject.org
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Anthony Perard <anthony.perard@citrix.com>
This commit is contained in:
Roger Pau Monne 2014-05-23 17:57:47 +02:00 committed by Stefano Stabellini
parent 541bbb07eb
commit 74bc41511a
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
xen-hvm.c
View File

@ -513,11 +513,14 @@ static void xen_sync_dirty_bitmap(XenIOState *state,
start_addr >> TARGET_PAGE_BITS, npages,
bitmap);
if (rc < 0) {
if (rc != -ENODATA) {
#ifndef ENODATA
#define ENODATA ENOENT
#endif
if (errno == ENODATA) {
memory_region_set_dirty(framebuffer, 0, size);
DPRINTF("xen: track_dirty_vram failed (0x" TARGET_FMT_plx
", 0x" TARGET_FMT_plx "): %s\n",
start_addr, start_addr + size, strerror(-rc));
start_addr, start_addr + size, strerror(errno));
}
return;
}